Bystrowianidae

Bystrowianidae is a family of chroniosuchian tetrapods from the Permian and Triassic periods.

Bystrowianidae

Dmitry Bogdanov · CC BY-SA 3.0 · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.

On record

Recorded, not inferred
Sits inside
ChroniosuchiaPBDB
Motility
actively mobilePBDB, for Osteichthyes
Environment
brackish,freshwater,terrestrialPBDB, for Tetrapoda

Time the record covers

At least 24 million years on record.

The record covers at least 264.28 Mya to 239.48 Mya. No occurrence read is dated outside 274.4 Mya to 237 Mya.

Permian — about 8 of 27 occurrencesPermianEarly Triassic — about 15 of 27 occurrencesEarly TriassicMiddle Triassic — about 4 of 27 occurrencesMiddle TriassicLate Triassic — about 0 of 27 occurrences275–274 Mya — about 0.1 occurrences274–273 Mya — about 0.1 occurrences273–271 Mya — about 0.1 occurrences271–270 Mya — about 0.1 occurrences270–269 Mya — about 0.1 occurrences269–267 Mya — about 0.1 occurrences267–266 Mya — about 0.1 occurrences266–265 Mya — about 0.1 occurrences265–263 Mya — about 0.0 occurrences261–260 Mya — about 0.4 occurrences260–258 Mya — about 2 occurrences258–257 Mya — about 2 occurrences257–256 Mya — about 1 occurrence256–254 Mya — about 0.9 occurrences254–253 Mya — about 0.6 occurrences253–252 Mya — about 0.9 occurrences252–251 Mya — about 5 occurrences251–249 Mya — about 3 occurrences249–248 Mya — about 4 occurrences248–247 Mya — about 3 occurrences244–243 Mya — about 0.4 occurrences243–241 Mya — about 0.7 occurrences241–240 Mya — about 0.3 occurrences240–239 Mya — about 0.8 occurrences239–238 Mya — about 1 occurrence238–236 Mya — about 0.6 occurrences264.28 Mya239.48 Mya275.1 Mya236.3 Mya

27 occurrences of Bystrowianidae on record, most of them in the Early Triassic. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.

When

27 occurrences

These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.

Found in

16 formations

Vokhminskaya — 57.88°N, 45.91°EVokhminskaya — 57.31°N, 46.25°EVokhminskaya — 58.00°N, 49.00°EShangshihezi — 34.94°N, 112.40°EErfurt — 49.21°N, 9.68°EErfurt — 49.08°N, 9.89°EGuodikeng — 44.00°N, 88.83°EGuodikeng — 43.32°N, 88.88°EPetropavlovka — 50.81°N, 55.24°ELipovskaya — 49.26°N, 43.67°ENadkrasnokamenskaya — 65.12°N, 58.62°EStaritskaya — 52.80°N, 51.77°EQingtoushan — 39.70°N, 97.74°EGamskaya — 60.57°N, 48.91°EKamennyi Yar — 52.81°N, 51.70°EPetropavlovskaya — 51.28°N, 55.89°EDonguz — 51.36°N, 55.31°EMechet' — 52.80°N, 51.78°EWerra — 51.26°N, 8.88°EJiucaiyuan — 43.94°N, 88.91°E

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The named rock units Bystrowianidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 5 occurrences have no formation on record, which is common for older literature.

Bystrowianidae and its relatives

Early Triassic

Where Bystrowianidae and its relatives were recorded in the Early Triassic.

Found in the same rock

163 taxa

The Paleobiology Database records 21 sites for Bystrowianidae, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.

This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.

Entered from

14 references

Each of the 27 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 2 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.

Media and terms

Media content1

Picture of Bystrowianidae

Credit
Dmitry Bogdanov
Licence
CC BY-SA 3.0
Commercial use
the licence allows it

No 3D scan of Bystrowianidae was found in Sketchfab.

Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.

The description on this site

Licence
CC BY-SA 4.0

This is what the site found, which is not the same as what exists.

Keep going

What may have been alongside itChroniosuchia through timeFormations of the Early TriassicThe world it lived on

Occurrence data from the Paleobiology Database, CC BY 4.0. Vjushkov 1957